So 1] [7] let a= 1 1. let b= 1 [10] [1] (a) find an orthonormal basis of im(a). (b) find the qr factorization of a. (c) find the standard matrix of the orthogonal projection onto im(a). (d) solve ax = b. (e) find the least-squares solution of ax = b.

F(x)=|x| is shifted down 4 units and to the right 3 units.

Select all the correct answers.natalie buys a new car. in the first month, the odometer on the car records 800 miles. from past experience, she expects to drive 900 miles per monthselect all the functions that can be used to find the number of miles, f(n), recorded on the odometer after n months.of(n) = 800n + 100f(n) = 9001 - 100f(n) = 900n + 800(1) = 800; }(n) = f(n - 1) + 900, for n > 2f(1) = 800; 1(n) = f(n − 1) + 100, for n > 2(1) = 900; }(n) = f(n - 1) + 800, for n > 2

Nine more than four times a number is the same as one less than twice the number. find the number?